Absstract of: US2024263324A1
An iridium-ruthenium-based oxide anode catalyst for water electrolysis includes a heterostructure within the particles, different phases within the particles being adjacent to each other, and the different phases within the particles consist of iridium and ruthenium, the catalyst is synthesized using metal sulfides (MxS) as precursors, and the catalyst is characterized by the introduction of transition metal elements as dopants.
Absstract of: US2024263317A1
A system includes an HTE electrolyser, a first steam supply line, a first dihydrogen discharge line, a second dioxygen discharge line, a first heat exchange module configured to ensure a heat exchange between the first steam supply line and the first dihydrogen discharge line, a first module for recovering the thermal energy from the dihydrogen at the outlet of the first heat exchange module in favour of the first supply line, the recovery module comprising a first intermediate exchanger arranged on the first discharge line downstream from the first heat exchange module and configured to transfer the thermal energy from the dihydrogen to an intermediate fluid, and a first intermediate steam generator arranged on the first steam supply line configured to transfer the thermal energy from the intermediate fluid to the liquid water.
Absstract of: US2024262539A1
An exploration method includes: a step of exploring a natural resource on a satellite, a minor planet, or a planet; a step of acquiring the natural resource detected by the exploration; and a step of storing the acquired natural resource.
Absstract of: US2024262723A1
Systems for removal of ions from aqueous fluids are provided. In certain embodiments, the present disclosure provides a system comprising a mixing chamber for mixing calcium ions and an aqueous fluid that contains one or more oxyanions; a reactor that receives the aqueous fluid from the mixing chamber, and contains an aluminum metal, where an initial amount of the aluminum metal contained in the reactor is based at least on a calculated corrosion rate, wherein the aluminum metal releases aluminum ions that react with the one or more oxyanions in the aqueous fluid to form a precipitate comprising one or more ettringites; an agitation device to agitate the aqueous fluid and the aluminum metal, one or more measurement devices connected to the reactor, and a controller for operating the agitation device based at least on measurements taken by the measurement devices.
Absstract of: WO2024161039A1
Feedwater preparation system in a water electrolyser adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks (2) using alkaline water and comprising a product gas conditioning system that has a safety valve out-blow material stream pipe (11) which is connected to a feedwater vessel (9), and/or has a depressurisation stream pipe (31) from a gas cleaning vessel which is connected to the feedwater vessel (9).
Absstract of: CN117795128A
A hydrogen production system includes a plurality of stack assemblies, each stack assembly including a plurality of cells. The cell stack assemblies are electrically connected in series. The cell stack assemblies each receive water and electricity and generate hydrogen as a result of an electrochemical reaction within the cell. The hydrogen is intended to be used outside the system and can be stored or transported to another location. A plurality of conduits delivers water into the stack assembly and takes away water, oxygen, and hydrogen from the stack assembly. The conduits each include a dielectric portion proximate a respective stack assembly to reduce or eliminate shunt current between the stack assemblies. The dielectric portion may also be used to electrically isolate the cell stack assembly from a ground portion of the system, such as a support frame.
Absstract of: GB2626727A
An oxygen evolution catalyst material comprising i a catalyst support comprising doped or undoped metal hexaboride; ii an iridium and or ruthenium-containing active material supported on the catalyst support. Also disclosed is a method of manufacturing the oxygen evolution catalyst. The catalyst materials are suitable for use as oxygen evolution reaction (OER) catalysts, for example in a water electrolyser or a fuel cell.
Absstract of: EP4411023A1
An electrode for use in the electrolysis of water under alkaline conditions, comprising a nickel metal substrate, a ceramic material with a perovskite-type structure comprising an oxide of at least one metal selected from among lanthanides including lanthanum, cerium and praseodymium, where said ceramic material is forming a coating on said nickel metal substrate, and metal nanoparticles are socketed into the said ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, whereas the metal nanoparticles facing the said metal substrate form an anchoring points between the metal substrate and the said ceramic material.
Absstract of: EP4410739A1
The invention relates to a thermal inverter (1, 2) for generating from a parent compound a first fluid of first molecules (H<sub>2</sub>) with a first molecular weight and a second fluid of second molecules (O<sub>2</sub>) with a second molecular weight, whereby the first molecular weight of the first molecules (H<sub>2</sub>) is less than the second molecular weight of the second molecules (Oz). In a reaction device (1) the parent compound is decomposed into a mixture compound of the first molecules (H<sub>2</sub>) and the second molecules (O<sub>2</sub>). In order to improve the efficiency of such a thermal inverter the invention proposes a gas separator device (2) comprising a mixture inlet (26) for the mixture compound of the first and the second molecules at a bottom section (24) of the gas separator device (2) and a first (27) and a second outlet (28) at a top section (25) of the gas separator device (2), the first outlet (27) providing substantially the first molecules (H<sub>2</sub>) and the second outlet (28) providing substantially the second molecules (O<sub>2</sub>), the gas separator device (2) further comprising guiding elements (6) for guiding the first and second molecules (H<sub>2</sub>, O<sub>2</sub>) from the mixture inlet (26) towards the first and second outlet (27, 28) in a coiled path, wherein the coiled path is confined by a sidewall (29).
Absstract of: AU2022354593A1
A system for producing synthetic fuel comprises a reactor having a first reaction zone for implementing a first reaction in which carbon dioxide and hydrogen react to produce carbon monoxide and water, and at least one other reaction zone for implementing a second reaction in which carbon monoxide and hydrogen react to produce a fuel precursor, and a third reaction involving synthesizing fuel from said fuel precursor. The reaction zones are inter-connected in series by a fluid circuit is configured to circulate and recirculate fluid around the reactor to facilitate recycling of reactants and heat energy. The system facilitates low-energy, cost-efficient production of liquid e-fuels.
Absstract of: AU2022357365A1
A system for producing hydrogen from water by a thermochemical cycle, for example the sulphuriodine cycle, comprises a reactor having reaction zones for implementing the reactions of the cycle. The reaction zones are interconnected by a fluid circuit and the reactor is configured to direct reaction product(s) from any reaction zone to another reaction zone to provide reactant(s) for the other reaction zone. Fluid is recirculated around the fluid circuit so that reaction product(s) from downstream reaction zone(s) are reused as reactant(s) for upstream reaction zone(s). Heat generated in reaction zone(s) is also reused in other reaction zone(s). The resulting system is energy efficient as well as being efficient in its use of reactants.
Absstract of: US2023101593A1
Disclosed herein are methods and systems that relate to electrochemically producing hydrogen gas by maintaining a steady-state pH differential of greater than 1 between an anode electrolyte and a cathode electrolyte in a hydrogen-gas generating electrochemical cell.
Absstract of: EP4410404A1
According to one aspect of the present invention, an ammonia electrolysis system including a mixer to which ammonia is supplied; an electrolytic cell that is in communication with the mixer and is configured to receive the supplied ammonia and electrolyze the supplied ammonia into at least two different fluids; and a fluid separator that communicates with the electrolytic cell, receives the electrolyzed at least two different fluids, and separates the ammonia contained in the at least two different fluids, and a control method of the ammonia electrolysis system.
Absstract of: EP4410748A1
Task To provide a plant and a method for producing glass and hydrogen which can reduce environmental burden.Solution A the plant 1 for producing glass and hydrogen includes: a glass melting furnace 2 that melts a glass raw material with combustion heat of fuel to generate molten glass 12; an exhaust passage 3 which extends from the glass melting furnace and through which exhaust gas generated in the glass melting furnace passes; a boiler 5 that is provided in the exhaust passage and conducts heat exchange between the exhaust gas and water to generate steam; and an electrolyzer 4 that electrolyzes the steam to generate hydrogen and oxygen. The glass melting furnace includes a burner 14 that burns the fuel with a combustion supporting gas having an oxygen concentration of 21 volume% or higher. The burner is connected to the electrolyzer by an oxygen supply pipe 18. The oxygen generated by the electrolyzer is supplied to the burner via the oxygen supply pipe.
Absstract of: EP4411024A2
A water electrolysis apparatus includes: a power source; an electrolytic solution; a first tank immersed in the electrolytic solution and including a positive electrode connected to the power source, a supply opening and a discharge opening for H<sub>2</sub>O, and an O<sub>2</sub> gas extraction opening; and a second tank immersed in the electrolytic solution and including a negative electrode connected to the power source, a supply opening and a discharge opening for H<sub>2</sub>O, and an H<sub>2</sub> gas extraction opening. O<sub>2</sub> gas is extracted from the first tank, and H<sub>2</sub> gas is extracted from the second tank, by the power source maintaining voltage such that the potential of the positive electrode is higher than the potential of the negative electrode.
Absstract of: JP2024106011A
【課題】電解質膜に破損の前兆となる異常が発生した場合にその異常を早期に検出できる水電解システムを提供する。【解決手段】水電解システムは、水の電気分解により酸素及び水素を生成する水電解部と、水電解部に供給される供給水の水圧を変動可能な水圧変動部と、供給水の水圧を測定する圧力測定部と、水電解部の電圧を測定する電圧測定部と、供給水の水圧の変動に応じて変動する水電解部の電圧を用いて、水電解システムの異常の有無を判定する判定部と、を備える。【選択図】図4
Absstract of: JP2024106035A
【課題】水素発生装置へ水素貯蔵材料の供給と反応後の副生成物の回収がより容易な固体の水素貯蔵材料を包含する包装物及びそれを用いた水素発生装置を提供する。【解決手段】、水と反応することで水素を発生させる化合物又は混合物からなる固体の水素貯蔵材料Mを包含する包装物1において、包装体10を有するものとし、水素貯蔵材料Mを、包装体10内に包含し、包装体10を、複数の細孔を有するものとし、該細孔を、水及び水素を透過可能で且つ粉粒体の透過を阻止可能な大きさに形成する。【選択図】図1
Absstract of: CN118448650A
本发明涉及一种电解水膜电极转印的方法,一种电解水膜电极转印的方法包括步骤:提供质子交换膜、第一密封边框和第二密封边框,所述第一密封边框和所述第二密封边框的表面中间位置裁切出一个相对应的镂空区,第一密封边框和第二密封边框分别平板压合于所述质子交换膜的上下两面,即得到密封边框封装的质子交换膜;将带有阴极催化剂的第一转印膜和带有阳极催化剂的第二转印膜通过压合转印至镂空区的质子交换膜上,撕去转印膜,即得电解水膜电极。本发明使用第一密封边框和第二密封边框封装质子交换膜,可以抑制质子交换膜在热转印过程中的热收缩以及溶胀变形,从而提高生产良品率。
Absstract of: CN118441287A
本申请提供了一种电解水制氢系统的氮气吹扫方法、控制模块及装置,在系统制氢过程中,获取氢气流道的氧气浓度值;若氧气浓度值大于预设的第一氧气浓度阈值,电解槽断电;控制第一三通阀的第一端与第二端导通、与第三端隔离,以使氮气从第一氢气出口进入并吹扫电解槽阴极区,氢气流道与大气连通,以使混合气从第二氢气出口排出到大气;在氮气吹扫预设时间后,若氧气浓度值小于等于第一氧气浓度阈值,控制第一三通阀的第一端与第二端隔离、与第三端导通,以使氮气被第一三通阀阻断停止吹扫,氢气流道停止与大气连通,电解槽恢复供电运行。这样,在电解水制氢系统运行过程中,保证了氢气端的氧气浓度处在安全范围,提高了电解水制氢系统的安全性。
Absstract of: CN118439666A
本发明公开了一种二维羰基铱材料的制备方法及其应用,制备方法如下:配置铱的前驱体溶液以及包含酰胺和羧酸类的溶剂,添加具有羧基官能团小分子调控材料结构,在加热条件下形成具有二维组装特征结构的纳米铱复合材料。本发明制备得到的二维羰基铱材料与现有材料的结构特征一致,但克服了当前需要在400℃条件下反应,导致制备能耗和成本较高,且不适合批量化、连续性生产的缺陷;将该二维羰基铱纳米材料应用于酸性电解水析氧领域中,三电极测试性能测试结果表明高氯酸溶液中,10mA/cm2电流密度所需的过电位只有248mV;作为质子交换膜电解水器件膜电极阳极催化层,1A/cm2电流密度只需要约1.65V的槽压,电解催化性能优异。
Absstract of: CN118437354A
本发明属于光催化材料领域,具体涉及一种Ni掺杂FeS2/ZnSnO3核壳异质结热释电纳米复合材料及其制备方法和应用,具体包括以下步骤:步骤1,采用共沉淀法合成ZnSn(OH)3;步骤2,采用热处理法合成ZnSnO3微球;步骤3,采用化学沉积法将Ni掺杂FeS2沉积到ZnSnO3的表面上获得到最终产物,清洗后干燥即得到Ni掺杂FeS2/ZnSnO3核壳异质热释电纳米复合材料。本发明制备方法获得的复合材料能够高效产氢和将苄胺还原氧化成亚胺。
Absstract of: CN118441313A
本发明公开了一种镍钌双掺杂钴尖晶石析氧催化剂的制备方法及应用,析氧催化剂的制备方法包括以下步骤:(1)将钴源和二甲基咪唑溶于有机溶剂中,搅拌均匀发生反应后,洗涤、干燥得到第一复合载体;(2)将第一复合载体煅烧得到第二复合载体;(3)将第二复合载体、镍盐和钌盐置于反应釜中进行溶剂热反应,洗涤干燥后得到第三复合载体;(4)将第三复合载体煅烧并经酸洗涤,干燥后得到析氧催化剂。本发明采用上述结构的一种镍钌双掺杂钴尖晶石析氧催化剂的制备方法及应用,制备的低贵金属钌基催化剂对水电解析氧反应具有非常高的催化活性和稳定性,与其他工艺相比,本发明操作方法简单、制备周期较短,适合大规模生产。
Absstract of: AU2022425599A1
The present invention relates to the use of a solid desiccant containing at least one kaolin compound, for drying wet gas comprising traces of alkali hydroxide. The invention also relates to the method for drying wet gas comprising traces of alkali hydroxide, comprising at least one step of bringing said wet gas into contact with a solid desiccant containing at least one kaolin compound.
Absstract of: WO2023111578A2
An electrochemical cell includes an anode, a cathode and an electrolyte in contact with the anode and the cathode, wherein the electrolyte and at least one of the anode or the cathode includes a compound which compound includes either an amino group or a carboxyl group or both (preferably an amino acid, a peptide, or a combination thereof). Alternatively, if the anode is formed from a combination of a metal and a metal oxide, then the electrolyte and/or at least one of the anode or the cathode can include said compound (i.e. it does not have to be present on both). Use of these cells significantly reduces the overpotential of the electrochemical splitting of water, thereby enabling the production of hydrogen in a much more energy efficient manner.
Nº publicación: CN118441321A 06/08/2024
Applicant:
无锡威孚高科技集团股份有限公司
Absstract of: CN118441321A
本发明提供了一种自适应节能型PEM制氢系统及其控制方法,包括纯水循环泵、离子过滤器、PEM槽、氧分离器及氢分离器,纯水循环泵的出口端连接离子过滤器的进口端,离子过滤器的出口端连接PEM槽的进口端,PEM槽的出口端同时与氢分离器和氧分离器的进口端连接,氧分离器的出口端连接纯水循环泵的进口端;氧分离器的出口端设置有纯水箱和纯水泵,纯水箱的出口端连接纯水泵的进口端,纯水泵的出口端通过单向阀连接氧分离器的出口端;纯水循环泵的出口端与离子过滤器的进口端之间设置有单向阀和流量计。本发明的自适应节能型PEM制氢系统通过控制运行功率和环境温度的关系,在产出氢气的同时,还兼顾节能降本,控制低功率运行,减少废热量产生。